Ever feel like you’re swimming in a sea of oil choices for your trusty 6.7 Cummins? It’s a common struggle! Choosing the right oil is super important for keeping your engine running smoothly. Picking the wrong one can cause problems, costing you time and money. You don’t want that, right?
The 6.7 Cummins engine is a workhorse. It powers many trucks, and it needs the right oil to perform its best. Figuring out which oil is best can feel overwhelming. There are so many brands, weights, and types! This blog post will help you understand the oil options available and the key things to consider. It will help you avoid costly mistakes and extend the life of your engine.
By the end of this post, you’ll be able to choose the perfect oil for your 6.7 Cummins with confidence. We’ll cover everything from the best oil types to the importance of oil changes. So, let’s dive in and learn how to keep your engine happy and healthy!
Our Top 5 Oil 6.7 Cummins Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
![]() |
LAPB Dodge Ram 6.7L Cummins Diesel Oil Change Kit 5W-40 with Original Filter | 8.8/10 | Check Price |
![]() |
Mopar Genuine OEM Filters Bundle | 9.0/10 | Check Price |
![]() |
Mishimoto Replacement Oil Cooler | 8.7/10 | Check Price |
![]() |
Doc’s Diesel Oil Filter D5335 | 8.7/10 | Check Price |
![]() |
Doc’s Diesel Filter Combo Kit DGF430+DGF401+DPA6314+D5335 | 9.0/10 | Check Price |
Top 5 Oil 6.7 Cummins Detailed Reviews
1. LAPB Dodge Ram 6.7L Cummins Diesel Oil Change Kit 5W-40 with Original Filter
Rating: 9.4/10
Keep your Dodge Ram 6.7L Cummins Diesel running strong with the LAPB Oil Change Kit. This kit gives you everything you need for a complete oil change. It includes a case of Shell Rotella T6 5W-40 full synthetic heavy-duty diesel engine oil. This oil meets many standards for engine protection. The kit also provides a genuine original filter. This oil change kit is designed for the Cummins 6.7L diesel engine. It is perfect for anyone who wants to keep their truck running smoothly.
What We Like:
- The kit uses 5W-40 full synthetic oil. This helps protect your engine.
- The oil meets many important industry standards.
- You get a case of oil and the correct filter.
- It is designed for the Cummins 6.7L diesel engine.
- It is backwards compatible with Cummins CES 20081.
- It is rated for use in cold temperatures.
What Could Be Improved:
- You may need to buy more oil. The kit contains 12 quarts, and you will need a case (3 gallons).
This LAPB Oil Change Kit is a good choice for your Dodge Ram. It has all the parts you need for an oil change. The kit ensures your engine will receive the correct oil and filter.
2. Mopar Genuine OEM Filters Bundle
Rating: 9.1/10
Keep your Dodge Ram 6.7L Cummins Diesel engine running smoothly with this Mopar Genuine OEM Filters Bundle. This kit gives you the filters you need. It includes a fuel/water separator, a fuel filter, and an engine oil filter. The filters are made in the United States. This is a genuine Mopar part. It is made for your specific truck. This is not an aftermarket part. The filters use cellulose filter media to remove dirt and other bad stuff from your fluids.
What We Like:
- It’s a Mopar OEM part. This means it fits your Dodge Ram perfectly.
- The filters are not aftermarket. This is important for engine health.
- The kit has all the filters you need in one bundle.
- The filters use cellulose media. This helps get rid of bad things in your fluids.
- The filters are made in the United States.
What Could Be Improved:
- We don’t have any cons. This product is great!
This Mopar filter kit is a smart buy. It is a reliable way to keep your Cummins diesel engine in good shape. It is a great choice for your truck.
3. Mishimoto Replacement Oil Cooler
Rating: 9.5/10
Is your Dodge Ram Cummins running hot? The Mishimoto Replacement Oil Cooler is here to help! This cooler is made for 2007 and newer Dodge Ram trucks with 5.9L or 6.7L Cummins engines. It’s a direct fit, which means it will install easily. It replaces your old, worn-out oil cooler. This helps your engine run cooler and last longer. You get everything you need to install it, and it meets the same quality as the original part. Plus, it comes with a lifetime warranty!
What We Like:
- Direct fit for your truck!
- Fixes oil cooler problems.
- Brings back good performance.
- Comes with all the parts you need.
- Has a lifetime warranty.
What Could Be Improved:
- Installation might be a bit tricky for some people.
This Mishimoto oil cooler is a great upgrade for your Dodge Ram. It’s a smart way to keep your Cummins engine running smoothly for years to come!
4. Doc’s Diesel Oil Filter D5335
Rating: 8.7/10
Keep your Ram Cummins running strong with Doc’s Diesel Oil Filter D5335! This filter is made for 1989 and newer Ram trucks with 6.7L and 5.9L Cummins engines. It replaces the 05083285AA filter. Doc’s filters remove dirt and protect your engine. This helps your engine run smoothly and use fuel better. These filters work with all types of oil and are built to last.
What We Like:
- Doc’s filters meet or beat the quality of the original filters.
- Easy installation in about 15-30 minutes.
- Helps your engine run smoothly and efficiently.
- Compatible with many Ram Cummins trucks.
- Made by a company in Ohio that cares about its customers.
What Could Be Improved:
- Always double-check the fit for your specific truck model.
Doc’s Diesel Oil Filter is a great choice for your Ram Cummins truck. It’s a reliable filter that will keep your engine healthy. Choose Doc’s for a better engine performance and peace of mind!
5. Doc’s Diesel Filter Combo Kit DGF430+DGF401+DPA6314+D5335
Rating: 9.2/10
Keep your RAM 6.7L Cummins running strong with the Doc’s Diesel Filter Combo Kit! This kit includes everything you need: fuel filter, fuel/water separator, oil filter, and air filter. It’s designed to fit 2019-2024 RAM 2500, 3500, 4500, and 5500 trucks. Doc’s Diesel Filters are made to match or beat the quality of your original filters. They use great filter paper for top performance. This kit replaces several Mopar and other brand filters, making it easy to upgrade.
What We Like:
- Replaces multiple filters in one convenient kit.
- Made to meet or beat the quality of the original filters.
- Uses premium filter paper for good performance.
- Easy to install and fits a range of RAM trucks.
- Designed to meet and exceed OE filter requirements.
What Could Be Improved:
- Always double-check the fitment to make sure it’s right for your truck.
The Doc’s Diesel Filter Combo Kit is a great choice for keeping your truck’s engine running clean. It’s a reliable and easy way to replace your filters and keep your engine happy.
Oil for Your 6.7 Cummins: The Buying Guide
If you own a 6.7 Cummins diesel engine, you know it’s a powerhouse. Keeping it running strong means using the right oil. This guide helps you pick the best oil for your truck.
Key Features to Look For
When shopping for oil, you need to know what to look for. Here are some key features:
- Viscosity: This is how thick the oil is. You will see numbers like 15W-40 or 5W-40. The “W” stands for winter. The lower the number before the “W,” the better it flows in cold weather. The higher the number after the “W,” the better it protects at high temperatures.
- API Rating: This shows the oil’s performance level. Look for oils with the latest API rating. These oils are made to protect your engine better.
- Synthetic or Conventional: Synthetic oil is made in a lab. Conventional oil is made from crude oil. Synthetic oil often lasts longer and performs better.
- Diesel-Specific: Make sure the oil is made for diesel engines. Diesel engines need oil that can handle soot and high pressures.
- Extended Drain Intervals: Some oils allow you to go longer between oil changes. This can save you time and money.
Important Materials
Oil is made from different materials. These materials affect how well the oil works.
- Base Oil: This is the main part of the oil. It can be mineral oil (conventional), synthetic, or a blend of both. Synthetic base oils generally offer better performance.
- Additives: These are added to the base oil. They help clean the engine, reduce friction, and prevent wear. Common additives include detergents, dispersants, and anti-wear agents.
- Viscosity Index Improvers: These help the oil maintain its viscosity over a range of temperatures.
Factors That Improve or Reduce Quality
Several things impact oil quality. You want to buy the best oil for your 6.7 Cummins.
- Brand Reputation: Some brands are known for making high-quality oil. Research different brands.
- Testing and Certification: Look for oils that have been tested and certified by organizations like the API. This means the oil meets certain standards.
- Price: You often get what you pay for. Cheaper oils might not protect your engine as well.
- Reviews: Read reviews from other 6.7 Cummins owners. See what they like and dislike about different oils.
- Storage: How the oil is stored affects its quality. Always store oil in a cool, dry place.
User Experience and Use Cases
The right oil helps your engine run smoothly.
- Easy Starts: Good oil helps your engine start easily, even in cold weather.
- Reduced Engine Wear: Oil prevents metal parts from rubbing against each other.
- Clean Engine: Oil keeps the engine clean by removing dirt and grime.
- Fuel Efficiency: Clean engines often get better fuel mileage.
- Longer Engine Life: The right oil can help your engine last longer.
- Use Cases: This oil is used in your truck. It is also used in other diesel vehicles.
Oil 6.7 Cummins: Frequently Asked Questions
Q: What oil viscosity should I use?
A: Most 6.7 Cummins engines use 15W-40 or 5W-40 oil. Check your owner’s manual for the best choice for your truck and climate.
Q: Is synthetic oil better than conventional oil?
A: Synthetic oil usually offers better protection and lasts longer. It often performs better in extreme temperatures.
Q: What API rating should the oil have?
A: Use oil with the latest API rating. This means the oil is up-to-date with the newest standards.
Q: How often should I change the oil?
A: Follow the oil change intervals recommended in your owner’s manual. Some synthetic oils allow for longer intervals.
Q: What happens if I use the wrong oil?
A: Using the wrong oil can damage your engine. It could lead to wear and tear.
Q: Where can I buy oil for my 6.7 Cummins?
A: You can buy oil at auto parts stores, online retailers, and some truck dealerships.
Q: What are the benefits of using a diesel-specific oil?
A: Diesel-specific oils are made to handle soot and high pressures found in diesel engines.
Q: Does the oil brand matter?
A: Yes, some brands have a better reputation for quality. Do some research on different brands.
Q: Should I use an oil filter with my oil change?
A: Yes, always change your oil filter at the same time as your oil. This keeps your engine clean.
Q: How much oil does my 6.7 Cummins need?
A: Check your owner’s manual for the exact amount of oil your engine needs. It is important to add the right amount.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
Hi, I’m Florence Disha, the creator behind HomesMend.com. With a passion for making every house a home, I share my personal experiences, tips, and expertise to help you transform your living spaces. Whether it’s practical advice, creative ideas, or tried-and-true solutions, my goal is to inspire and guide you in creating a home that feels just right. Let’s make every corner of your space truly yours!




